How to Reduce Slave Suppression in RimWorld | 1.6 Rebellion Control Tool
RimWorld Community Tool
RimWorld Slave Suppression: The "Set & Forget" Guide
If you want slaves to stop chain-rebelling, the stable vanilla answer is still the same: collar + body strap, terror where they actually idle, a real warden on priority 1, and no weapon path for a rebellion to exploit. This page gives you the quick math, gear calls, and zone rules that actually keep the bar under control.
1.6.4633 rev1266
Collar plus body strap completely cancels the worst default fall band, so your warden stops fighting a losing numbers game before terror or job scheduling even enters the picture.
The local apparel defs show negative suppression offsets on normal clothes and armor too, so dressing slaves like soldiers or haulers quietly makes the bar bleed faster.
Quick Loadout & Zoning
5-minute fix
At 30% to 100% suppression, the default fall rate is 20% per day. Slave collar adds +15% and slave body strap adds +15%, so the pair lands exactly on 0% per day before terror or wardening.
- Put a slave collar on every labor slave. It is the easiest permanent offset in the system.
- Use a slave body strap on the body layer instead of fashion shells if you want stable suppression with minimal warden time.
- Do not hand slaves combat armor unless you accept more suppress upkeep and more dangerous rebellions.
- Use the drift calculator in the middle column to see how fast a specific outfit will bleed.
Safe Zone Blueprint
weapons stay far
The wiki rebellion math gives nearby weapons a x4 factor and map-edge access a x1.7 factor. The local CompForbiddable.cs source also shows rebelling pawns stop respecting forbid logic, which means distance and area design beat last-second toggles.
- Keep slave bedrooms, workbenches, dining, and rec inside one internal allowed area.
- Exclude armories, equipment racks, trader drop zones, killboxes, and edge corridors.
- Use an airlock or offset hallway if any room beside slaves leads outside.
- Do not leave convenient weapons on shelves that share a hallway with slave traffic.
Allowed Area: Slave_Safe
Include: bedrooms, work benches, dining, indoor rec
Exclude: armory, equipment racks, edge corridors, killbox, trade beacons
Door rule: colonists-only armory access, double-door if hallway connects
Suppression Drift Tool
daily loss math
Positive suppression offsets slow the fall. Negative offsets speed it up. Terror contributes +15% at 25, +25% at 50, and +45% at 100 terror, while the base rate is -5%, -10%, or -20% depending on the current suppression band.
Warden Priority & Power
social skill matters
In 1.6-era mechanics, Suppression Power = 5% + 2.25% per Social level. Authority cap multiplies that stat by 1.10. One suppress interaction takes 180 ticks, and at empty suppression the game can apply up to 2x the listed power.
WorkGiver_Warden_SuppressSlave, InteractionWorker_Suppress, and Need_Suppression. Wardening is not a vague background effect. It is a dedicated suppress path with its own job driver.
Terror Placement
fear beats upkeep
Terror only matters if the slave is actually observing the source. A skullspike gives 25 terror. A terror sculpture gives 10 / 20 / 30 / 30 / 50 terror at awful, poor, normal, good or excellent, and masterwork or legendary quality.
| Source | Terror | Suppression Offset | Use It Here |
|---|---|---|---|
| Skullspike | 25 | +15% | Hallways, work nooks, doorway sightlines |
| Terror sculpture, normal | 30 | +17% | Bedrooms, day rooms, indoor workshops |
| Terror sculpture, excellent | 50 | +25% | High-value slave barracks or central chokepoints |
Gear Checklist
good vs bad
The sign on the stat matters. Positive Slave Suppression Offset slows the fall. Negative values make the bar drain faster. The collar and strap are the core win. Regular clothes and armor can quietly sabotage you.
| Item | Offset | Verdict | Why |
|---|---|---|---|
| Slave collar | +15% | Use on slaves | Cheap permanent help from the neck slot |
| Slave body strap | +15% | Use on slaves | Stacks with collar to erase the high-band base loss |
| Authority cap | +10% Suppression Power | Use on the warden | Boosts the suppress job, not the slave's own fall rate |
| Duster | -5% | Bad for suppression | Local Core apparel def quietly pushes daily loss upward |
| Marine helmet | -10% | Bad for suppression | Local Core headgear def adds more decay for slaves |
| Marine armor | -30% | Worst common trap | Large local Core penalty that erases most of the collar gain by itself |
Troubleshooting & Rebellion MTB
risk meter
The base slave rebellion MTB is 45 days, then the game multiplies it by movement, suppression, slave count, mood, weapons, map-edge access, and whether any free colonist is around to respond. Use this estimator for the same quick sanity check the game uses behind the scenes.
Optional Mods
vanilla first
Vanilla already gives you a complete suppression toolkit once the numbers are right. Add mods only if you want more control surfaces, more feedback, or a broader slavery sandbox.
Slave Rebellions Improved (Continued)
Use this if you want more tuning around rebellion pressure and clearer behavior knobs after you already understand the vanilla numbers.
SYR More Slaves
Use this if you want expanded slave content and more role variety, not because vanilla suppression is missing a basic fix.
Code-Backed Notes From The Local Install
why this page is strictThis page targets the local build 1.6.4633 rev1266. The installed assembly confirms the suppression, terror, rebellion, and warden systems, while the local XML exposes the common apparel penalties that most players accidentally leave on slaves.
Local assembly types that matter
Need_Suppressiontracks the bar itself.SlaveRebellionUtilityowns the rebellion calculations.WorkGiver_Warden_SuppressSlaveandInteractionWorker_Suppresshandle actual suppress jobs.StatWorker_SuppressionFallRateandTerrorUtilitycontrol drift and fear bonuses.Alert_SlaveRebellionLikelyis the game's own warning layer.
Local XML values that change decisions
Apparel_Various.xml: duster hasSlaveSuppressionOffset -0.05.Apparel_Various.xml: marine armor hasSlaveSuppressionOffset -0.3.Apparel_Headgear.xml: marine helmet hasSlaveSuppressionOffset -0.1.WorkTypes.xml: Warden uses the Social skill.
if( SlaveRebellionUtility.IsRebelling(pawn) )
return false;
CompForbiddable.cs. Once a slave is actively rebelling, the normal forbidden check no longer protects your guns or doors. Design the zone so the pawn never reaches them in the first place.Patch & Further Reading
1.6 era1.6.4543 patch note explicitly calls out wardening prioritization when a prisoner or slave is reserved. If your suppress routine felt flaky before, that is the exact fix worth knowing.
| Date | Patch | Why you care |
|---|---|---|
| 2025-07-11 | 1.6 release baseline | Establishes the 1.6-era behavior this tool targets |
| 2025-08-06 | 1.6.4543 | Wardening prioritization fix for prisoner and slave reservations |
| 2025-10-31 | 1.6.4630 | Late-2025 stability baseline close to the local installed build |
Do collars and body straps stack?
Yes. They are the main set-and-forget combo because each contributes +15% Slave Suppression Offset, for +30% total.
Why does a happy slave still rebel?
Mood only softens one factor in the rebellion formula. Weapons, map-edge access, bad movement, unattended time, and weak suppression can still dominate the final MTB.
Why is my warden ignoring suppression?
Make Warden top priority, shorten their path, keep them off long hauling loops, and remember the 1.6.4543 reservation fix if you are comparing behavior against older saves or notes.